AIPMT PRELIMS2012Zoology-Human Physiology
AIPMT PRELIMS 2012 Zoology Neuro-Hormonal Coordination MCQ Question
Type: MCQ-conceptual-Medium-Class 11
A person entering an empty room suddenly finds a snake right in front on opening the door. Which one of the following is likely to happen in his neuro-hormonal control system?
A
Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal cortex
B
Sympathetic nervous system is activated releasing epinephrin and norepinephrin from adrenal medulla
C
Neurotransmitters diffuse rapidly across the cleft and transmit a nerve impulse
D
Hypothalamus activates the parasympathetic division of brain
Correct Answer
Option B
Detailed Explanation
The sympathetic nervous system triggers the adrenal medulla to release epinephrine and norepinephrine in response to stress.
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